1. vincentnyc's Avatar
    We know t-mo 9700 wifi is used for UMA.

    But what is the purpose for at&t 9700 wifi? What does it shows on the upper right hand corner? UTMS? Is UTMS the same thing as UMA? So when u travel oversea, u can use UTMS to call back home using ur unlimited air time minutes instead of paying those ridiculous international rate.

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    Last edited by vincentnyc; 02-10-10 at 10:37 AM.
    02-10-10 09:59 AM
  2. K Bear's Avatar
    1)T-Mobile's WiFi is also used for data, not just voice.
    2)UMTS does not equal UMA
    02-10-10 10:26 AM
  3. syb0rg's Avatar
    UMA = Unlicensed Mobile Access or UMA, which is 3GPP (Generic Access Network), or GAN standard.

    you can read more of it here
    UMA Technology : Overview


    UMTS = Universal Mobile Telecommunications System (UMTS) is one of the(3G) third-generation mobile radio technologies, which is also being developed into a 4G technology.

    you can read more of it here
    3G Tutorial, UMTS overview

    They are not one in the same... UMA allows you to make voice calls over Wi-Fi, UTMS makes calls over EDGE/UMTS towers. UMA may/may not allow you to call internationally for free.... i don't know, i won't fly.

    Posted from my CrackBerry at wapforums.crackberry.com
    02-10-10 10:31 AM
  4. vincentnyc's Avatar
    1)T-Mobile's WiFi is also used for data, not just voice.
    2)UMTS does not equal UMA
    Ok so, does it show UMTS on the upper right hand corner for the at&t 9700 if its connected to wifi? And what can u do on UMTS then? Is it for voice only? How about call back home when u travel oversea? Can users use UTMS to call back home?

    Posted from my CrackBerry at wapforums.crackberry.com
    02-10-10 10:33 AM
  5. vincentnyc's Avatar
    so UMTS uses edge tower instead? So I guess at&t 9700 wifi is only use for wifi hotspot to surf the net, huh? That's bummer, another reason t-mo 9700 > at&t 9700.

    Posted from my CrackBerry at wapforums.crackberry.com
    02-10-10 10:36 AM
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